Marine Sanitation Devices

Question 1

Which type of marine sanitation device (MSD) is used solely for the storage of sewage and flush water at ambient air pressure and temperature?

Answer 1

Type III

Question 2

Under the federal regulations of 33CFR Subchapter O, what is the definition of a “Type I marine sanitation device”?

Answer 2

A device that produces a fecal coliform bacteria count not greater than 1,000 per 100 milliliters and no visible floating solids.

Question 3

Under the federal regulations of 33CFR Subchapter O, what is the definition of a “Type II marine sanitation device”?

Answer 3

A device that produces a fecal coliform bacteria count not greater than 200 per 100 milliliters and suspended solids not greater than 150 milligrams per liter.

Question 4

Under the federal regulations of 33CFR Subchapter O, what is the definition of a “Type III marine sanitation device”?

Answer 4

A device that is designed to prevent the overboard discharge of treated or untreated sewage or any waste derived from sewage.

Question 5

Under the federal regulations of 33CFR Subchapter O, if a vessel equipped with a Type III marine sanitation device enters a body of water where the discharge of untreated sewage is prohibited, which of the following methods of securing the device to prevent the discharge of sewage is UNACCEPTABLE?

Answer 5

Closing and tagging each valve leading to an overboard discharge.

Question 6

Under the federal regulations of 33CFR Subchapter O, if a vessel equipped with a Type II marine sanitation device enters a body of water where the discharge of treated or untreated sewage is prohibited, which of the following methods of securing the device to prevent the discharge of sewage is ACCEPTABLE if it is impractical to close the seacock and prevent its opening?

Answer 6

Locking the door to the space enclosing the toilets with a padlock or door handle key lock to prevent entry when the vessel is entering a “no discharge zone”.

Question 7

Coast Guard regulations concerning marine sanitation devices may be found in __________.

Answer 7

33 CFR Section 159

Question 8

Marine sanitation devices installed on vessels must be certified by the __________.

Answer 8

USCG

Question 9

Which of the following technologies would be associated with a Type III marine sanitation device?
A	Biological treatment plant
B	Chemical treatment plant
C	Sewage holding tank
D	Direct overboard sewage discharge

Answer 9

C Sewage holding tank